To learn the effectiveness of an exercise regimen, a physical therapist randomly selects 10 women to participate in a study. She measures their waistlines before a rigorous exercise program and 8 weeks after the program begins and obtains the following data: Waistline Before 23.5 18.5 21.5 24 25 19.75 35 36.5 52 30 Waistline After 19.75 19.25 21.75 22.5 25 19.5 34.25 35 51.5 31
To learn the effectiveness of an exercise regimen, a physical therapist randomly selects 10 women to participate in a study. She measures their waistlines before a rigorous exercise program and 8 weeks after the program begins and obtains the following data: Waistline Before 23.5 18.5 21.5 24 25 19.75 35 36.5 52 30 Waistline After 19.75 19.25 21.75 22.5 25 19.5 34.25 35 51.5 31
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Power Operation
Power operation is topic of algebra in Math. It is use to represent repeated multiplication. Very big number and very small number can be easily express using power operation. Power operation is useful in many fields. In space engineering, it helps in representing the distance or size of particular heavenly body. In medical field, it is used to represent very small size. In medical field it helps to mention size of bacteria or virus.
Exponents
The exponent or power or index of a variable/number is the number of times that variable/number is multiplied by itself.
Question
Follow PHANTOMS acronym
Transcribed Image Text:P- Parameter Statement
H- Hypotheses
A- Assumptions & Conditions
N- Name the Test
T- Test Statistic
O- Obtain the P-Value
M - Make a Decision about the Null
Hypothesis
S- State Your Conclusion About the Claim
Transcribed Image Text:To learn the effectiveness of an exercise
regimen, a physical therapist randomly
selects 10 women to participate in a study.
She measures their waistlines before a
rigorous exercise program and 8 weeks after
the program begins and obtains the
following data:
Waistline Before 23.5
18.5
21.5
24
25
19.75
35
36.5
52
30
Waistline After
19.75
19.25 21.75
22.5
25
19.5
34.25 35
51.5 31
At the 0.05 level of significance, is there
enough evidence to show that the waistline
decreased after the rigorous exercise
program? Use any method.
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